code: def __init__(self, function, resource):
      self._function = function
      self._resource = resource
  
file_path: io/tensorflow_io/python/ops/lmdb_io_tensor_ops.py
imports: import uuid
  import tensorflow
  from tensorflow_io.python.ops import io_tensor_ops
  from tensorflow_io.python.ops import core_ops
label_desc: Use image node_id 1 to create a new _IOTensorMappingFunction object  with example: obj = _IOTensorMappingFunction(function, resource)